Dermoscopy of giant juvenile xanthogranuloma

A 5-month-old girl presented with a 22- × 22-mm erythematous nodule on her back (Fig 1). Her parents reported noticing it 1 month after birth, and that it progressively enlarged. Her medical history revealed concomitant hemangioma of infancy on the face. Previously, a pediatric dermatologist suspected it as hemangioma and performed ultrasonography. Doppler ultrasound examination reveals an ovoid low-echoic mass with equivocal peripheral vascularity in the dermal and subcutaneous layer. The radiologist suggested it to be an epidermal cyst.

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